.nav .nav_one #kv{
	width: 100%;
	height: 100%;
}
.bod_three{
	width: 670px;
	margin: 0 auto;
	margin-top: 64px;
}
.bod_four{
	width: 444px;
	float: left;
}
.bottom{
	margin-bottom: 46px;
}
.bottom_one{
	margin-bottom: 25px;
}
.bod_five{
	float: left;
	margin-left: 32px;
}
.bod_five p{
	margin-top: 16px;
	margin-bottom: 50px;
	text-align: center;
}
.bod_six{
	width: 194px;
	height: 136px;
	overflow: hidden;
}
.bod_six img{
	width: 100%;
	height: 100%;
}
